code-challenges

Having fun coding and solving problems from different sources

Problems solved

LeetCode

http://leetcode.com

1. Roman to Integer: Description
   • Source code: RomanToInteger.java

TopCoder

http://topcoder.com

1. A0 Paper: Description
   • Source code: A0Paper.java

Data Structure Playground

1. BinaryTree: Binary tree implementation
   • Source code: BinaryTree.java
2. LinkedList: Simple Linked list implementation
   • Source code: LinkedList.java
3. Stack: Basic stack implementation
   • Source code: Stack.java
4. Cards: Shuffle a deck of cards.
   • Source code: Deck.java
5. Polish Reverse Notation: Solving Polish Reverse Notation problem
   • Source code: PolishReverseNotationCalculator.java
6. Tower of Hanoi: Solving Tower of Hanoi problem
   • Source code: Hanoi.java

Sort Algorithms Playground

1. BubbleSort: Bubble sort algorithm implementation
   • Source code: BubbleSort.java
2. InsertionSort: Insertion sort algorithm implementation
   • Source code: InsertionSort.java